Re: [PATCH v4 2/2] leds: tlc591xx: use devm_led_classdev_register_ext()

From: Jacek Anaszewski
Date: Fri Sep 20 2019 - 16:29:38 EST


Hi Jean,

Thank you for the update.

On 9/20/19 1:58 PM, Jean-Jacques Hiblot wrote:
> Use devm_led_classdev_register_ext() to pass the fwnode to the LED core.
> The fwnode can then be used by the firmware core to create meaningful
> names.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxx>
> ---
> drivers/leds/leds-tlc591xx.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/leds/leds-tlc591xx.c b/drivers/leds/leds-tlc591xx.c
> index bbdaa3148317..8eadb673dc2e 100644
> --- a/drivers/leds/leds-tlc591xx.c
> +++ b/drivers/leds/leds-tlc591xx.c
> @@ -186,6 +186,9 @@ tlc591xx_probe(struct i2c_client *client,
>
> for_each_child_of_node(np, child) {
> struct tlc591xx_led *led;
> + struct led_init_data init_data = {};
> +
> + init_data.fwnode = of_fwnode_handle(child);
>
> err = of_property_read_u32(child, "reg", &reg);
> if (err) {
> @@ -200,8 +203,6 @@ tlc591xx_probe(struct i2c_client *client,
> led = &priv->leds[reg];
>
> led->active = true;
> - led->ldev.name =
> - of_get_property(child, "label", NULL) ? : child->name;
> led->ldev.default_trigger =
> of_get_property(child, "linux,default-trigger", NULL);
>
> @@ -209,7 +210,8 @@ tlc591xx_probe(struct i2c_client *client,
> led->led_no = reg;
> led->ldev.brightness_set_blocking = tlc591xx_brightness_set;
> led->ldev.max_brightness = LED_FULL;

I was asking for removing tabove assignment, but we can always do that
in the incremental patch.

Patch set applied to the for-5.5 branch. Thanks.

> - err = devm_led_classdev_register(dev, &led->ldev);
> + err = devm_led_classdev_register_ext(dev, &led->ldev,
> + &init_data);
> if (err < 0) {
> dev_err(dev, "couldn't register LED %s\n",
> led->ldev.name);
>

--
Best regards,
Jacek Anaszewski